Intel integrated DMA 64-bit support

modulename: idma64.ko

configname: CONFIG_INTEL_IDMA64

Linux Kernel Configuration
└─>Device Drivers
└─>DMA Engine support
└─>Intel integrated DMA 64-bit support
In linux kernel since version 3.10 (release Date: 2013-06-30)  
Enable DMA support for Intel Low Power Subsystem such as found on
Intel Skylake PCH.

source code:
drivers/dma/idma64.c